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一种新的策略,结合性甲基生物的生物增量和生物炭生物刺激,同时进行多环芳碳水化合物的生物降解和生物能源回收

Rui Tang¹, Min Zhang¹, Xin Li¹

¹College of Engineering, China Agricultural University (Key Laboratory for Clean Renewable Energy Utilization Technology, Ministry of Agriculture) No. 17 Qinghua Donglu, Haidian District Beijing 100083 People's Republic of China lxin@cau.edu.cn +86 (10) 62737858 +86 (10) 62737858.

|July 30, 2024

概括

这项研究结合了生物增强和生物刺激,以增强多环芳 (PAH) 生物降解和生物能源生产. 这种新的方法成功降解了90%以上的PAH,同时恢复了甲生产.

科学领域:

环境科学环境科学
微生物学微生物学
生物技术是生物技术.

背景情况:

多环芳 (PAH) 是一种持久性有机污染物.
制定有效的策略,同时进行PAH生物降解和生物能源生产至关重要.

研究的目的:

调查一种新的策略,将生物增量与甲原性古生物和生物刺激与生物炭相结合.
为了实现混合PAHs无氧生物降解和生物能源生产的同时改善.

主要方法:

使用特定的甲原性古物生物增强和使用生物炭的生物刺激.
评估生物炭和古生物对PAH降解和甲生产的影响.
分析考古社区结构的变化.

主要成果:

与Fe3++生物增量相比,生物炭+生物增量策略显著提高了甲生产.
大多数PAH的清除率达到了90%以上.
直接的物种间电子转移协会,包括Streptococcus和Methanosarcina,得到了丰富,与PAH去除和甲回收相关.

结论:

生物炭和生物增量的合有效地减轻了甲原体对PAH的抑制.
这种综合方法证明了同时进行PAH生物降解和生物能源生产的可行性.
丰富的微生物群落在增强的降解和甲回收中发挥着关键作用.

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